.banner{
    overflow: hidden;
    width: 100%;
    height: 700px;
    background: url(../img/index/banner.jpg) no-repeat center;
    background-size: cover;
    margin-bottom: 120px;
}
.banner .banner-nav{
    width: fit-content;
    left: 0;
    right: 0;
    margin: 0 auto;
    margin-top: 670px;
}
.banner .banner-nav .banner-item{
    float: left;
    margin-left: 10px;
    width: 8px;
    height: 8px;
    border: 3px solid transparent;
    background-clip: content-box;
    border-radius: 50%;
    background-color:#ffffff;
}
.banner .banner-nav .banner-item-a{
    margin-left: 0;
}
.banner .banner-nav .banner-item:hover{
    border: 3px solid #ffffff;
    background-color:  #668aca;
}
/* project模块 */
.project{
    width: 100%;
    height: 455px;
    
}
.project-c{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    /* background-color: hotpink; */
}
.project-c .project-head{
    width: 100%;
    height: 51px;
}
.project-c .project-head .project-display{
    float: left;
}
.project-c .project-head .project-display .project-name{
    font-size: 30px;
    line-height: 30px;
    color: #767676;
}
.project-c .project-head .project-display .project-english{
    font-size: 12px;
    /* line-height: 53px; */
    color: #767676;
}
.project-c .project-head .project-display .xian{
    display: block;
    width: 60px;
    height: 1px;
    background-color: #a1a1a1;
}
.project-c .project-head .project-xian{
    float: right;
    width:300px;
    height: 1px;
    background-color: #a1a1a1;
    margin-top: 50px;
}
.project-c .project-nav{
    margin: 0 auto;
    width: fit-content;
    height: 23px;
    line-height: 20px;
    margin-top: 58px;
}
.project-c .project-nav .project-item{
    float: left;
padding: 0 35px;
}
.project-c .project-nav .project-item>a{
    font-size: 14px;
    color: #767676;
}
.project-c .project-nav .project-item:hover a{
    color: #668aca;
}
.project-c .project-nav .project-item .line{
    opacity: 0;
    display: block;
    width: 12px;
    height: 1px;
    background-color: #668aca;
    margin: 0 auto;
    margin-top: 3px;
}
.project-c .project-nav .project-item:hover .line{
    opacity: 1;
}
.project-c .project-nav .span-xian{
    float: left;
    display:block;
    width: 1px;
    height: 8px;
    margin-top: 7.5px;
    background-color: #b5b5b5 ;
}
.project-c .card{
    width: 100%;
    height: 270px;
    margin-top: 54px;
}
.project-c .card .card-item{
    position: relative;
    float: left;
    margin-left: 60px;
    width: 360px;
    height: 180px;
}
.project-c .card .card-item:hover{
    height: 270px;
}
.project-c .card .card-item-a{
    margin-left: 0;
    background: url(../img/index/项目展示1.jpg) no-repeat center;
}
.project-c .card .card-item-b{
    background: url(../img/index/项目展示2.jpg) no-repeat center;
}
.project-c .card .card-item-c{
    background: url(../img/index/项目展示3.jpg) no-repeat center;
}
.project-c .card .card-item .text{
    display: block;
    position: relative;
    margin-top: 208px;
    margin-left: 50px;
}
.project-c .card .card-item:hover .text{
    display: none;
}
.project-c .card .card-item .text .text-beijing{
    font-size: 14px;
    color: #767676;
}
.project-c .card .card-item .text .text-desc{
    font-size: 12px;
    color: #767676;
}
.project-c .card .card-item .text .text-btn{
    display: block;
    position: absolute;
    top: 8px;
    right: 50px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: url(../img/index/组\ 2.png);
}
.project-c .card .card-item .text .text-btn>a{
    display: block;
    width: 100%;
    height: 100%;
}
.project-c .card .card-item .mask{
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 360px;
    height: 270px;
    background-color: rgba(0, 0, 0, .5);
    color: #ffffff;
}
.project-c .card .card-item:hover .mask{
    opacity: 1;
}
.project-c .card .card-item .mask .dizhi{
    margin-top: 58px;
    margin-left: 57px;
    font-size: 14px;
}
.project-c .card .card-item .mask .mask-a{
    margin-top: 4px;
    margin-left: 57px;
    font-size: 12px;
}
.project-c .card .card-item .mask .mask-desc{
    margin-top: 19px;
    margin-left: 57px;
    font-size: 12px;
}
.project-c .card .card-item .mask .btn{
    display: block;
    position: absolute;
    bottom: 22px;
    right: 50px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: url(../img/index/组\ 5\ 拷贝.png) no-repeat; 
    background-size: 100% 100%;
}
.project-c .card .card-item .mask .btn>a{
    display: block;
    width: 100%;
    height: 100%;
}
/* .project模块结束 */
/* product模块开始 */
.product{
    width: 100%;
    height: 1250px;
    margin-top: 120px;
}
.product-c{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
}
.product-c .product-head{
    width: 100%;
    height: 51px;
}
.product-c .product-head .product-display{
    float: left;
}
.product-c .product-head .product-display .product-name{
    font-size: 30px;
    line-height: 30px;
    color: #767676;
}
.product-c .product-head .product-display .product-english{
    font-size: 12px;
    /* line-height: 53px; */
    color: #767676;
}
.product-c .product-head .product-display .xian{
    display: block;
    width: 60px;
    height: 1px;
    background-color: #a1a1a1;
}
.product-c .product-head .product-xian{
    float: right;
    width:300px;
    height: 1px;
    background-color: #a1a1a1;
    margin-top: 50px;
}
.product-c .product-nav{
    margin-top: 54px;
    width: 100%;
    height: 114px;
}
.product-c .product-nav .product-item{
    float: left;
    margin: 0 38px;
   width: 164px;
   height: 114px;
   
}
.product-c .product-nav .product-item .product-qym{
    width: 164px;
    height: 86px;
    text-align: center;
}
.product-c .product-nav .product-item:hover .product-qym{
    background-color: #668aca;
}
.product-c .product-nav .product-item .product-qym>img{
    width: 124px;
    height: 66px;
    margin-top: 10px;
}
.product-c .product-nav .product-item .jiaju{
    text-align: center;
    margin-top: 9px;
}
.product-c .product-nav .product-item:hover .jiaju1{
    color: #668aca;
}
.product-c .product-nav .product-item:hover .jiaju2{
    color: #668aca;
}
.product-c .product-nav .product-item .jiaju1{
    font-size: 14px;
    /* line-height: 28px; */
    color: #767676;
}
.product-c .product-nav .product-item .jiaju2{
    font-size: 12px;
    line-height: 25px;
    color: #767676;
    margin-left: 9px;
}
.product-c .product-nav .product-item .line{
    opacity: 0;
    display: block;
    margin: 0 auto;
    height: 1px;
    width: 16px;
    background-color:  #668aca;
    margin-top: -4px;
}
.product-c .product-nav .product-item:hover .line{
    opacity: 1;
}
.product-c .chuang{
    height: 720px;
    width: 100%;
    margin-top: 117px;
    margin-bottom: 123px;
}
.product-c .chuang .chuang-item{
    position: relative;
    float: left;
    margin-left: 60px;
width: 360px;
height: 360px;
}
.product-c .chuang .chuang-item>img{
    display: block;
    width: 303px;
    height: 303px;
    margin-left: 28.5px;
}
.product-c .chuang .chuang-item .chuang-name{
    height: 40px;
    width: 176px;
    margin-left: 100px;
    color: #767676;
    margin: 0 auto;
}
.product-c .chuang .chuang-item .chuang-name-top{
    font-size: 16px;
}
.product-c .chuang .chuang-item .chuang-name-bottom{
    font-size: 12px;
}
.product-c .chuang .chuang-item:hover .chuang-name{
    display: none;
}
.product-c .chuang .chuang-item .mask{
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .5);
}
.product-c .chuang .chuang-item:hover .mask{
    opacity: 1;
}
.product-c .chuang .chuang-item .mask .text{
color: #f8f8f8;
}
.product-c .chuang .chuang-item .mask .text .text-top{
    margin-top: 102px;
    margin-left: 84px;
    font-size: 30px;
}
.product-c .chuang .chuang-item .mask span{
    display: block;
    height: 1px;
    width: 80px;
    background-color: #ffffff;
}
.product-c .chuang .chuang-item .mask .text .text-bottom{
    margin-left: 69px;
    margin-top: 16px;
}
.product-c .chuang .chuang-item .mask .text .text-bottom .center{
    font-size: 16px;
    line-height: 28px;
}
.product-c .chuang .chuang-item .mask .text .text-bottom .bottom{
    font-size: 14px;
    line-height: ;
}
/* 服务模块 */
.service{
    height: 812px;
    width: 100%;
}
.service-c{
    width: 1200px;
    margin: 0 auto;
}
.service-c .product-head{
    width: 100%;
    height: 51px;
}
.service-c .product-head .product-display{
    float: left;
}
.service-c .product-head .product-display .product-name{
    font-size: 30px;
    line-height: 30px;
    color: #767676;
}
.service-c .product-head .product-display .product-english{
    font-size: 12px;
    /* line-height: 53px; */
    color: #767676;
}
.service-c .product-head .product-display .xian{
    display: block;
    width: 60px;
    height: 1px;
    background-color: #a1a1a1;
}
.service-c .product-head .product-xian{
    float: right;
    width:300px;
    height: 1px;
    background-color: #a1a1a1;
    margin-top: 50px;
}
.service .banner-fuwu{
    overflow: hidden;
    margin-top: 61px;
    width: 100%;
    height: 700px;
    background: url(../img/index/服务范围banner.jpg) no-repeat center;
    background-size: cover;
}
.service .banner-fuwu .service-c .service-top{
    margin-top: 150px;
    font-size: 30px;
    line-height: 21px;
    color: #ffffff;
}
.service .banner-fuwu .service-c .service-bottom{
    margin-top: 42px;
    font-size: 14px;
    line-height: 26px;
    color: #ffffff;
}
.service .banner-fuwu .service-c .service-nav{
    width: 1104px;
    height: 158px;
}

.service .banner-fuwu .service-c .service-nav .service-item{
    position: relative;
        float: left;
        width: 249px;
        height: 150px;
        border: 1px solid grey;
        border-right:none ;
        text-align: center;
    }
    .service .banner-fuwu .service-c .service-nav .service-item4{
        border-right:1px solid grey ;
    }
    .service .banner-fuwu .service-c .service-nav .service-item .mask{
        display: none;
        position: absolute;
        top: 0;
        right: -15px;
        width:264px;
        height: 158px;
        background-color:#5E8ACF;
    }
    /* .service .banner-fuwu .service-c .service-nav .service-item:hover{
        border-left: none;
    } */
    .service .banner-fuwu .service-c .service-nav .service-item:hover .mask{
        display: block;
        z-index: 2;

    } 
    
    .service .banner-fuwu .service-c .service-nav .service-item>a{
        color: #ffffff;
        display: block;
        width: 100%;
        height: 100%;
    }

    .service .banner-fuwu .service-c .service-nav .service-item .top{
        margin-top: 51px;
        font-size: 16px;
        line-height: 28px;
    }
    .service .banner-fuwu .service-c .service-nav .service-item .mask>a{
            color: #ffffff;
            display: block;
            width: 100%;
            height: 100%;
    }
    .service .banner-fuwu .service-c .service-nav .service-item .top .line{
        display: block;
        width: 30px;
        height: 1px;
        margin: 0 auto;
        background-color: #ffffff;
        margin-top: 4px;
    }
    .service .banner-fuwu .service-c .service-nav .service-item .bottom{
        font-size: 12px;
        line-height: 21px;
    }
    .news{
        height: 682px;
        width: 100%;
        margin-top: 120px;
    }
    .news-c{
        height: 100%;
        width: 1200px;
        margin: 0 auto;
    }
    .news-c .news-head{
        width: 100%;
        height: 51px;
    }
    .news-c .news-head .news-display{
        float: left;
    }
    .news-c .news-head .news-display .news-name{
        font-size: 30px;
        line-height: 30px;
        color: #767676;
    }
    .news-c .news-head .news-display .news-english{
        font-size: 12px;
        /* line-height: 53px; */
        color: #767676;
    }
    .news-c .news-head .news-display .xian{
        display: block;
        width: 60px;
        height: 1px;
        background-color: #a1a1a1;
    }
    .news-c .news-head .news-xian{
        float: right;
        width:300px;
        height: 1px;
        background-color: #a1a1a1;
        margin-top: 50px;
    }
    .news-c .news-tt{
        margin-top: 60px;
        width: 100%;
        height: 570px;
    }
    .news-c .news-tt .news-left{
        float: left;
        width: 570px;
        height: 100%;
    }
    .news-c .news-tt .news-right{
        float: right;
        width: 570px;
        height: 100%;
        background:url(../img/index/新闻资讯4.jpg) no-repeat;
    }
 .news-c .news-tt .news-left .news-top{
     position: relative;
width: 570px;
height: 270px;
background: url(../img/index/新闻资讯.jpg) no-repeat;
    }
    .news-c .news-tt .news-left .news-top .mask{
        opacity: 0;
        position: absolute;
        top: 180px;
        left: 0;
        width: 570px;
        height: 90px;
        background-color: rgba(0, 0, 0, .5);
        color: #ffffff;
    }
    .news-c .news-tt .news-left .news-top:hover .mask{
        opacity: 1;
    }
    .news-left .news-top .mask .mask-top{
font-size: 16px;
line-height: 32px;
margin-top: 10px;
margin-left: 50px;
    }
    .news-left .news-top .mask .mask-bottom{
        font-size: 12px;
        margin-left: 50px;
    }
    .news-left .news-top .mask .mask-btn{
       
        position: absolute;
        right: 50px;
        bottom: 12px;
        display: block;
        width: 30px;
        height: 30px;
        border-radius: 50%;
        background: url(../img/index/组\ 5\ 拷贝.png) no-repeat center;
    }
.news-tt .news-left .news-bottom{
    margin-top: 30px;
    width: 570px;
    height: 270px;
}
.news-tt .news-left .news-bottoml{
    float: left;
    width: 270px;
    height: 270px;
    background: url(../img/index/新闻资讯2.jpg);
}
.news-tt .news-left .news-bottomr{
    float: right;
    width: 270px;
    height: 270px;
    background: url(../img/index/新闻资讯3.jpg);
}
/* 关于简设 */
.about{
    margin-top: 150px;
    width: 100%;
    height: 351px;
}
.about-c{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
}
.about-c .about-head{
    width: 100%;
    height: 51px;
}
.about-c .about-head .about-display{
    float: left;
}
.about-c .about-head .about-display .about-name{
    font-size: 30px;
    line-height: 30px;
    color: #767676;
}
.about-c .about-head .about-display .about-english{
    font-size: 12px;
    /* line-height: 53px; */
    color: #767676;
}
.about-c .about-head .about-display .xian{
    display: block;
    width: 60px;
    height: 1px;
    background-color: #a1a1a1;
}
.about-c .about-head .about-xian{
    float: right;
    width:300px;
    height: 1px;
    background-color: #a1a1a1;
    margin-top: 50px;
}
.about-main{
    margin-top: 60px;
    height: 300px;
    width: 100%;
}
.about-mainl{
    float: left;
    width: 500px;
    height: 300px;
    background: url(../img/index/关于简设.jpg) no-repeat center;
    /* margin-left: 29px; */
}
.about-mainr{
    margin-top: 32px;
    float: right;
    font-size: 14px;
    color: #767676;
    line-height: 22px;
}
.about-mainr .main-center{
   margin: 34px 0;
}







